Document Type and Number:
Japanese Patent JPS56119686
Kind Code:
U
Application Number:
JP1770580U
Publication Date:
September 11, 1981
Filing Date:
February 13, 1980
Export Citation:
International Classes:
H01L21/60; B23K3/00; B23K37/00; H05K3/34; (IPC1-7): H05K3/34; B23K37/00; H01L21/60